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3 years ago

Please help! Math problem.2x+4=0: Solve for x

Mathematics

2 answers:

Irina-Kira [14]3 years ago

6 0

Equation: $2x+4=0$

Subtract 4 from both sides:

$2x+4-4=0-4\\2x=-4$

Divide both sides by 2:

$\frac{2x}{2}=\frac{-4}{2}$

Simplify:

$\frac{-4}{2}=-2\\x=-2$

Therefore, your answer would be x = -2.

-TestedHyperr

lutik1710 [3]3 years ago

4 0

Answer:

x = -2

Step-by-step explanation:

2x + 4 = 0

2x= -4

x=-2

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3 years ago

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3 years ago

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Omg please help me.

Leya [2.2K]

Answer:

y=9.75x+60

Step-by-step explanation:

We want our equation to look like y=mx+b

Let's start out by calculating the slope

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we have

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2 years ago

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2 years ago

In 2001 the mint indoor pool vault record was 20 and 1/6 the women’s record for the indoor pool vault was 15 and 5/12 FT what is

blondinia [14]

Answer:

35 and 7/12 feet is the combined height of the two records.

Step-by-step explanation:

Height of the indoor pool vault record for men = 20 and 1/6 ft = $\frac{121}{6} ft$

Height of indoor pool vault record for women = 15and 5/12 ft = $\frac{185}{12} ft$

The combined height of the two records :

$\frac{121}{6} ft+\frac{185}{12} ft$

$\frac{121\times 2}{6\times 2} ft+\frac{185}{12} ft$

$\frac{242}{12} ft+\frac{185}{12} ft$

$\frac{242+185}{12} ft=\frac{427}{12}=35\frac{7}{12}$

35 and 7/12 feet is the combined height of the two records.

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3 years ago